Spectrophotometric techniques

G - Physics – 01 – N

Patent

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Details

G01N 21/03 (2006.01) B01L 3/00 (2006.01)

Patent

CA 2182080

The use as a cuvette in spectrophotometric assays of a sample-collecting device is disclosed, the said device possessing a cavity or cavities each having a dimension small enough to enable sample liquid to be drawn into the cavity by capillary action, wherein a surface of the cavity is a surface of a transparent solid plate having a substantially rectangular cross-section and forming a wall of the cavity, the opposite surface of the cavity being an additional structure having a substantially rectangular cross-section and forming a wall of the cavity, and wherein a portion of said plate carries a reflective coating and a portion of said additional structure is reflective.

L'invention se rapporte à l'utilisation d'un dispositif de collecte d'échantillons comme cuvette dans des dosages spectrophotométriques. Ce dispositif comprend une ou des cavités, dont chacune présente des dimensions suffisamment faibles pour permettre d'aspirer l'échantillon liquide dans la cavité par action capillaire, une surface de la cavité étant constituée par une surface d'une plaque transparente solide de section pratiquement rectangulaire, et formant une paroi de la cavité, et la surface opposée de la cavité étant constituée par une structure supplémentaire de section pratiquement rectangulaire formant également une paroi de la cavité. Une partie de ladite plaque porte un revêtement réfléchissant, et une partie de ladite structure supplémentaire est réfléchissante.

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